Search

David Hung Vu

Examiner (ID: 356, Phone: (571)272-1831 , Office: P/2844 )

Most Active Art Unit
2821
Art Unit(s)
2817, 2828, 2844, 2502, 2821
Total Applications
1734
Issued Applications
1511
Pending Applications
64
Abandoned Applications
163

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 1547883 [patent_doc_number] => 06445144 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-09-03 [patent_title] => 'Current surge limiting circuit' [patent_app_type] => B1 [patent_app_number] => 09/124401 [patent_app_country] => US [patent_app_date] => 1998-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4320 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/445/06445144.pdf [firstpage_image] =>[orig_patent_app_number] => 09124401 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/124401
Current surge limiting circuit Jul 28, 1998 Issued
Array ( [id] => 4425087 [patent_doc_number] => 06225760 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Fluorescent lamp dimmer system' [patent_app_type] => 1 [patent_app_number] => 9/123722 [patent_app_country] => US [patent_app_date] => 1998-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5345 [patent_no_of_claims] => 33 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/225/06225760.pdf [firstpage_image] =>[orig_patent_app_number] => 123722 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/123722
Fluorescent lamp dimmer system Jul 27, 1998 Issued
Array ( [id] => 4114319 [patent_doc_number] => 06057646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-02 [patent_title] => 'Light level monitoring and ATM control system for automated teller machine which directly measures light source luminance to indirectly determine area illuminance' [patent_app_type] => 1 [patent_app_number] => 9/123918 [patent_app_country] => US [patent_app_date] => 1998-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4178 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/057/06057646.pdf [firstpage_image] =>[orig_patent_app_number] => 123918 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/123918
Light level monitoring and ATM control system for automated teller machine which directly measures light source luminance to indirectly determine area illuminance Jul 27, 1998 Issued
09/122311 LAMP EMPLOYING A MONOLITHIC LED DEVICE Jul 23, 1998 Abandoned
Array ( [id] => 4124425 [patent_doc_number] => 06072278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-06 [patent_title] => 'High capacitance pixel for electronic displays' [patent_app_type] => 1 [patent_app_number] => 9/119512 [patent_app_country] => US [patent_app_date] => 1998-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 4291 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/072/06072278.pdf [firstpage_image] =>[orig_patent_app_number] => 119512 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/119512
High capacitance pixel for electronic displays Jul 19, 1998 Issued
Array ( [id] => 3930391 [patent_doc_number] => 05945783 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-31 [patent_title] => 'Zero energy-storage ballast for compact fluorescent lamps' [patent_app_type] => 1 [patent_app_number] => 9/114617 [patent_app_country] => US [patent_app_date] => 1998-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1396 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/945/05945783.pdf [firstpage_image] =>[orig_patent_app_number] => 114617 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/114617
Zero energy-storage ballast for compact fluorescent lamps Jul 12, 1998 Issued
Array ( [id] => 4162710 [patent_doc_number] => 06104145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Method of DC operation of a discharge lamp with ARC stabilization' [patent_app_type] => 1 [patent_app_number] => 9/112128 [patent_app_country] => US [patent_app_date] => 1998-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2209 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/104/06104145.pdf [firstpage_image] =>[orig_patent_app_number] => 112128 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/112128
Method of DC operation of a discharge lamp with ARC stabilization Jul 7, 1998 Issued
Array ( [id] => 4109511 [patent_doc_number] => 06051938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Dimmable ballast with active power feedback control' [patent_app_type] => 1 [patent_app_number] => 9/110614 [patent_app_country] => US [patent_app_date] => 1998-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 5448 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/051/06051938.pdf [firstpage_image] =>[orig_patent_app_number] => 110614 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/110614
Dimmable ballast with active power feedback control Jul 5, 1998 Issued
Array ( [id] => 4138665 [patent_doc_number] => 06147459 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Voltage-controlled ballast for gas-discharge lamps' [patent_app_type] => 1 [patent_app_number] => 9/110414 [patent_app_country] => US [patent_app_date] => 1998-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4115 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/147/06147459.pdf [firstpage_image] =>[orig_patent_app_number] => 110414 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/110414
Voltage-controlled ballast for gas-discharge lamps Jul 5, 1998 Issued
Array ( [id] => 4425057 [patent_doc_number] => 06225751 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-01 [patent_title] => 'Fluorescent lamp drive circuit of an image formation apparatus' [patent_app_type] => 1 [patent_app_number] => 9/110026 [patent_app_country] => US [patent_app_date] => 1998-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 5198 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/225/06225751.pdf [firstpage_image] =>[orig_patent_app_number] => 110026 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/110026
Fluorescent lamp drive circuit of an image formation apparatus Jul 1, 1998 Issued
Array ( [id] => 4057342 [patent_doc_number] => 05969478 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-19 [patent_title] => 'Gas discharge display apparatus and method for driving the same' [patent_app_type] => 1 [patent_app_number] => 9/108577 [patent_app_country] => US [patent_app_date] => 1998-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 41 [patent_figures_cnt] => 71 [patent_no_of_words] => 28146 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/969/05969478.pdf [firstpage_image] =>[orig_patent_app_number] => 108577 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/108577
Gas discharge display apparatus and method for driving the same Jun 30, 1998 Issued
Array ( [id] => 976152 [patent_doc_number] => 06933677 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2005-08-23 [patent_title] => 'Magnetically shielded flourescent lamp ballast case' [patent_app_type] => utility [patent_app_number] => 09/096999 [patent_app_country] => US [patent_app_date] => 1998-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3770 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/933/06933677.pdf [firstpage_image] =>[orig_patent_app_number] => 09096999 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/096999
Magnetically shielded flourescent lamp ballast case Jun 12, 1998 Issued
Array ( [id] => 4245426 [patent_doc_number] => 06091209 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-18 [patent_title] => 'Piezoelectric transformer discharge lamp operating circuit with duty cycle dimming circuit' [patent_app_type] => 1 [patent_app_number] => 9/093214 [patent_app_country] => US [patent_app_date] => 1998-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2858 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/091/06091209.pdf [firstpage_image] =>[orig_patent_app_number] => 093214 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/093214
Piezoelectric transformer discharge lamp operating circuit with duty cycle dimming circuit Jun 7, 1998 Issued
Array ( [id] => 3954459 [patent_doc_number] => 05998939 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'High frequency HID lamp system' [patent_app_type] => 1 [patent_app_number] => 9/090596 [patent_app_country] => US [patent_app_date] => 1998-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 7374 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/998/05998939.pdf [firstpage_image] =>[orig_patent_app_number] => 090596 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/090596
High frequency HID lamp system Jun 3, 1998 Issued
Array ( [id] => 4010704 [patent_doc_number] => 06005353 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Commutator for a discharge lamp having mutually coupled inductors' [patent_app_type] => 1 [patent_app_number] => 9/088717 [patent_app_country] => US [patent_app_date] => 1998-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2083 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005353.pdf [firstpage_image] =>[orig_patent_app_number] => 088717 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/088717
Commutator for a discharge lamp having mutually coupled inductors May 31, 1998 Issued
Array ( [id] => 4258802 [patent_doc_number] => 06208091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-03-27 [patent_title] => 'Current sensing in vacuum electron devices' [patent_app_type] => 1 [patent_app_number] => 9/087790 [patent_app_country] => US [patent_app_date] => 1998-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 7828 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 251 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/208/06208091.pdf [firstpage_image] =>[orig_patent_app_number] => 087790 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/087790
Current sensing in vacuum electron devices May 28, 1998 Issued
Array ( [id] => 4103975 [patent_doc_number] => 06049173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-11 [patent_title] => 'Apparatus for suppressing electric field radiation from a cathode ray tube' [patent_app_type] => 1 [patent_app_number] => 9/085310 [patent_app_country] => US [patent_app_date] => 1998-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2926 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/049/06049173.pdf [firstpage_image] =>[orig_patent_app_number] => 085310 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/085310
Apparatus for suppressing electric field radiation from a cathode ray tube May 26, 1998 Issued
Array ( [id] => 4225440 [patent_doc_number] => 06040661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-21 [patent_title] => 'Programmable universal lighting system' [patent_app_type] => 1 [patent_app_number] => 9/075841 [patent_app_country] => US [patent_app_date] => 1998-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 6722 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/040/06040661.pdf [firstpage_image] =>[orig_patent_app_number] => 075841 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/075841
Programmable universal lighting system May 11, 1998 Issued
Array ( [id] => 4018404 [patent_doc_number] => 05962985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-05 [patent_title] => 'DC/AC converter with improved starter circuit' [patent_app_type] => 1 [patent_app_number] => 9/072112 [patent_app_country] => US [patent_app_date] => 1998-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3796 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/962/05962985.pdf [firstpage_image] =>[orig_patent_app_number] => 072112 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/072112
DC/AC converter with improved starter circuit May 3, 1998 Issued
Array ( [id] => 4162622 [patent_doc_number] => 06107755 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-22 [patent_title] => 'Modular, configurable dimming ballast for a gas-discharge lamp' [patent_app_type] => 1 [patent_app_number] => 9/067311 [patent_app_country] => US [patent_app_date] => 1998-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3710 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/107/06107755.pdf [firstpage_image] =>[orig_patent_app_number] => 067311 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/067311
Modular, configurable dimming ballast for a gas-discharge lamp Apr 26, 1998 Issued
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